package com.sky.service.impl;

import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.sky.dto.SetmealDTO;
import com.sky.dto.SetmealPageQueryDTO;
import com.sky.entity.Setmeal;
import com.sky.entity.SetmealDish;
import com.sky.mapper.SetmealDishMapper;
import com.sky.mapper.SetmealMapper;
import com.sky.result.PageResult;
import com.sky.service.SetmealService;
import com.sky.vo.DishItemVO;
import com.sky.vo.DishVO;
import com.sky.vo.SetmealVO;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.ArrayList;
import java.util.List;

@Service
public class SetmealServiceImpl implements SetmealService {
    @Autowired
    private SetmealMapper setmealMapper;
    @Autowired
    private SetmealDishMapper setmealDishMapper;

    /**
     * 新增套餐
     * @param setmealDTO
     */
    @Override
    @Transactional
    public void saveWithDish(SetmealDTO setmealDTO) {
        Setmeal setmeal = new Setmeal();
        BeanUtils.copyProperties(setmealDTO,setmeal);
        setmealMapper.insert(setmeal);
        Long setmealId = setmeal.getId();
        List<SetmealDish> setmealDishes = setmealDTO.getSetmealDishes();
        if (setmealDishes != null&&setmealDishes.size()>0){
            for (SetmealDish dish : setmealDishes) {
                SetmealDish setmealDish = new SetmealDish();

                BeanUtils.copyProperties(dish,setmealDish);
                setmealDish.setSetmealId(setmealId);
                setmealDishMapper.insert(setmealDish);
            }
        }
//        for (SetmealDish dish : setmealDishes) {
//            SetmealDish setmealDish = new SetmealDish();
//
//            BeanUtils.copyProperties(dish,setmealDish);
//            setmealDish.setSetmealId(setmealId);
//            setmealDishMapper.insert(setmealDish);
//        }


    }

    @Override
    public PageResult pageQuery(SetmealPageQueryDTO setmealPageQueryDTO) {
        PageHelper.startPage(setmealPageQueryDTO.getPage(), setmealPageQueryDTO.getPageSize());
        Page<SetmealVO> page = setmealMapper.pageQuery(setmealPageQueryDTO);
        return new PageResult(page.getTotal(),page.getResult());
    }

    /**
     * 批量删除套餐
     * @param ids
     * @return
     */
    @Override
    @Transactional
    public void deleteByIds(List<Long> ids) {

        setmealMapper.deleteByIds(ids);
        setmealDishMapper.deleteBySetmealIds(ids);

    }

    @Override
    public SetmealVO getById(Long id) {
        SetmealVO setmealVO = new SetmealVO();
        //查询出套餐
        Setmeal setmeal = setmealMapper.getById(id);
        BeanUtils.copyProperties(setmeal,setmealVO);
        //查询出套餐与菜品关联信息
        List<SetmealDish> setmealDishes=setmealDishMapper.getBySetmealId(id);
        setmealVO.setSetmealDishes(setmealDishes);
        return setmealVO;

    }

    /**
     * 修改套餐
     *
     * @param setmealDTO
     * @return
     */
    @Override
    @Transactional
    public void update(SetmealDTO setmealDTO) {
        Setmeal setmeal = new Setmeal();
        BeanUtils.copyProperties(setmealDTO,setmeal);
        setmealMapper.update(setmeal);
        Long setmealId = setmeal.getId();
        // 修改套餐表
        List<Long> ids = new ArrayList<>();
        ids.add(setmealId);
        //删除套餐与菜品关联表
        setmealDishMapper.deleteBySetmealIds(ids);
        //添加套餐与菜品关联表
        List<SetmealDish> setmealDishes = setmealDTO.getSetmealDishes();
        if (setmealDishes!=null&&setmealDishes.size()>0){
            for (SetmealDish dish : setmealDishes) {
                SetmealDish setmealDish = new SetmealDish();
                BeanUtils.copyProperties(dish,setmealDish);
                setmealDish.setSetmealId(setmealId);
                setmealDishMapper.insert(setmealDish);
            }
        }
//        for (SetmealDish dish : setmealDishes) {
//            SetmealDish setmealDish = new SetmealDish();
//            BeanUtils.copyProperties(dish,setmealDish);
//            setmealDish.setSetmealId(setmealId);
//            setmealDishMapper.insert(setmealDish);
//        }

    }
    /**
     * 套餐起售停售
     * @param status
     * @param id
     * @return
     */
    @Override
    public void startOrStop(Integer status, Long id) {
        setmealMapper.setStatus(status,id);
    }

    /**
     * 条件查询
     * @param setmeal
     * @return
     */
    public List<Setmeal> list(Setmeal setmeal) {
        List<Setmeal> list = setmealMapper.list(setmeal);
        return list;
    }

    /**
     * 根据id查询菜品选项
     * @param id
     * @return
     */
    public List<DishItemVO> getDishItemById(Long id) {
        return setmealMapper.getDishItemBySetmealId(id);
    }
}
